Mailtrap is a mock SMTP server for use in Rails development. Mailtrap waits for a client to connect and talks just enough SMTP for ActionMailer to send its message which Mailtrap will write into a file for you to inspect. Mailtrap makes no attempt to actually deliver anything (hence the name Mail*trap*). You can configure the hostname (default: localhost) and port (default: 1025) for the server and also where the messages get written (default: /tmp). Messages will get written to files named smtp0001.msg, smtp0002.msg, and so on. == FEATURES/PROBLEMS: * Test with ActionMailer's SMTP delivery method * Very, very, dumb ... might not work with an arbitrary Mail client == SYNOPSIS:

Required Ruby Version

> 0.0.0

Authors

Matt Mower

Versions

  1. 2.11.1 July 02, 2026 (36.5 KB)
  2. 2.11.0 May 14, 2026 (35.5 KB)
  3. 2.10.0 March 23, 2026 (31.5 KB)
  4. 2.9.0 March 13, 2026 (28.5 KB)
  5. 2.8.0 March 03, 2026 (27.5 KB)
  6. 0.1.0 October 03, 2007* (9 KB)
Show all versions (27 total)

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